Adamanta 32GB (2x16GB) Laptop Memory Upgrade Compatible for MSi Gaming Series GE72 and GE62 Apache Pro (6TH GEN) DDR4 2133Mhz PC4-17000 SODIMM 2Rx8 CL15 1.2v Notebook DRAM at Amazon.com
4GB KIT (2 x 2GB) for MSI Whitebook MS-1242 MS-163A MS-163K MS-1644 MS-1682 MS-1719 MS-171A MS-1734. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com